Yes, Micromax Canvas 2 does have fingerprint sensor.
No. Canvas 2 does not have front camera flash.
Yes, Micromax Q4310 is a dual sim mobile phone.
Micromax Canvas 2 is made of Metal and high quality Polycarbonate material. The front of the phone is covered with Corning Gorilla Glass 5.
No. During our review, we do not observe any heating issue.